DAYTON, Ohio (AP) — With interest building in the 50th anniversary of President John F. Kennedy's assassination, a museum near Dayton is stepping up the public tours of his presidential jet.

FILE - In this Nov. 22, 1963 file photo, Lyndon B. Johnson is sworn in as President of the United States of America in the cabin of the presidential plane as Mrs. Jacqueline Kennedy stands at his side in Dallas, Tex. The historic aircraft is on display at the National Museum of the U.S. Air Force in Dayton, Ohio. (AP Photo/White House, Cecil Stoughton, File)

The Boeing 707 is at the National Museum of the U.S. Air Force. The museum will now shuttle visitors to the plane four times a day and seven days a week through Dec. 1.

Visitors can see where people packed into the plane's sweltering state room to watch Lyndon B. Johnson, Kennedy's vice president, sworn in, with Jacqueline Kennedy alongside in the suit stained by her husband's blood.

The Dayton Daily News (http://bit.ly/1jizysn) reports that the museum has received more calls and national media coverage focused on the jet in recent days, with the 50th anniversary of the assassination coming on Friday.